"συναιρέσεσιν" meaning in Ancient Greek

{
  "forms": [
    {
      "form": "σῠναιρέσεσῐν",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "sŭnairésesĭn",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "σῠναιρέσεσῐ",
      "roman": "sŭnairésesĭ",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "grc",
        "2": "noun form",
        "g": "f",
        "head": "σῠναιρέσεσῐν"
      },
      "expansion": "σῠναιρέσεσῐν • (sŭnairésesĭn) f",
      "name": "head"
    }
  ],
  "lang": "Ancient Greek",
  "lang_code": "grc",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Ancient Greek entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Ancient Greek terms with movable nu",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "extra": "(sŭnaíresĭs) with movable nu",
          "word": "σῠναίρεσῐς"
        }
      ],
      "glosses": [
        "dative plural of σῠναίρεσῐς (sŭnaíresĭs) with movable nu"
      ],
      "id": "en-συναιρέσεσιν-grc-noun-NQYlMSLK",
      "links": [
        [
          "σῠναίρεσῐς",
          "συναίρεσις#Ancient_Greek"
        ],
        [
          "movable nu",
          "movable nu#English"
        ]
      ],
      "tags": [
        "dative",
        "form-of",
        "plural"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/sy.nai̯.ré.se.sin/"
    },
    {
      "ipa": "/sy.nɛˈre.se.sin/"
    },
    {
      "ipa": "/si.neˈre.se.sin/"
    },
    {
      "ipa": "/sy.nai̯.ré.se.sin/",
      "note": "5ᵗʰ BCE Attic"
    },
    {
      "ipa": "/sy.nɛˈre.se.sin/",
      "note": "1ˢᵗ CE Egyptian"
    },
    {
      "ipa": "/sy.nɛˈre.se.sin/",
      "note": "4ᵗʰ CE Koine"
    },
    {
      "ipa": "/sy.neˈre.se.sin/",
      "note": "10ᵗʰ CE Byzantine"
    },
    {
      "ipa": "/si.neˈre.se.sin/",
      "note": "15ᵗʰ CE Constantinopolitan"
    }
  ],
  "word": "συναιρέσεσιν"
}

{
  "forms": [
    {
      "form": "σῠναιρέσεσῐν",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "sŭnairésesĭn",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "σῠναιρέσεσῐ",
      "roman": "sŭnairésesĭ",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "grc",
        "2": "noun form",
        "g": "f",
        "head": "σῠναιρέσεσῐν"
      },
      "expansion": "σῠναιρέσεσῐν • (sŭnairésesĭn) f",
      "name": "head"
    }
  ],
  "lang": "Ancient Greek",
  "lang_code": "grc",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Ancient Greek 5-syllable words",
        "Ancient Greek entries with incorrect language header",
        "Ancient Greek non-lemma forms",
        "Ancient Greek noun forms",
        "Ancient Greek terms with IPA pronunciation",
        "Ancient Greek terms with movable nu",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "form_of": [
        {
          "extra": "(sŭnaíresĭs) with movable nu",
          "word": "σῠναίρεσῐς"
        }
      ],
      "glosses": [
        "dative plural of σῠναίρεσῐς (sŭnaíresĭs) with movable nu"
      ],
      "links": [
        [
          "σῠναίρεσῐς",
          "συναίρεσις#Ancient_Greek"
        ],
        [
          "movable nu",
          "movable nu#English"
        ]
      ],
      "tags": [
        "dative",
        "form-of",
        "plural"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/sy.nai̯.ré.se.sin/"
    },
    {
      "ipa": "/sy.nɛˈre.se.sin/"
    },
    {
      "ipa": "/si.neˈre.se.sin/"
    },
    {
      "ipa": "/sy.nai̯.ré.se.sin/",
      "note": "5ᵗʰ BCE Attic"
    },
    {
      "ipa": "/sy.nɛˈre.se.sin/",
      "note": "1ˢᵗ CE Egyptian"
    },
    {
      "ipa": "/sy.nɛˈre.se.sin/",
      "note": "4ᵗʰ CE Koine"
    },
    {
      "ipa": "/sy.neˈre.se.sin/",
      "note": "10ᵗʰ CE Byzantine"
    },
    {
      "ipa": "/si.neˈre.se.sin/",
      "note": "15ᵗʰ CE Constantinopolitan"
    }
  ],
  "word": "συναιρέσεσιν"
}